MetroRail Emergencies May 2016 Flashcards
___ operates an electrified multi-track enclosed railroad throughout the Washington Metropolitan Area.
pg 1
The Washington Metropolitan Area Transit Authority (WMATA)
AKA “Metro”
the Metro system is considered to be a ___ system.
pg 1
light rail
The only equipment that travels on Metro’s tracks is Metro’s ____ and ____ and ____.
pg 1
transit trains and non- revenue and service equipment.
There are a total of ___ within Northern Virginia: eleven surface, eight subsurface, five aerial, and one which has the features of all three types.
pg 9
25 stations
The ___ operate in a married pair configuration; they are semi- permanently coupled together.
pg 12
rail cars
The smallest number of rail cars operating in the Metro system is ___.
pg 12
two
- This combination is 150 feet in length.
- The cars are identified as either an A or B car
- The A car carries an even number (2004), while the B car caries an odd number (2005)
- The maximum number of cars in a consist will be eight (four pairs of 2) due to the maximum length of the station platform which is 600 feet.
The 7000 series dimensions are the same as the 1000-6000 series however the operator’s cab has been removed from the B car and replaced with a ___ that allows yard operators to move the cars in the yard.
pg 12
Hostler control
Each rail car has ___ door panels.
pg 12
14
The bulkhead doors, the end doors that are not used for revenue (entry and exit of passengers), are ___.
pg 12
not numbered
These doors can be used for emergency access and egress
All bulkhead doors open ___ .
pg 12
inward
- The doors between cars are not locked during revenue service
- The end doors are locked during revenue service and can be opened by using the XX barrel key (soda machine type) on the Metro key ring
Each side door panel is numbered (1 through 12). Door panels on the operator cab side are numbered 1 through 6, starting directly ___ . On the opposite side, the doors are numbered 7 through 12.
pg 13
behind the operator’s cab
The door opening control is located in the ___.
pg 13
operator’s cab.
This switch will open all doors on that side of the car.
When opening the doors by this switch (door opening control), the train must be at the station platform and the ___ must be energized.
pg 13
third rail
- Doors numbered 2, 8, and 9 can be opened from the outside with the use of the XX barrel key on the Metro key ring.
- Passengers and emergency crews have the ability to open the center doors (doors 3 and 9) by using the manual pull handles.
- To activate these emergency door openers, the train must be at a complete stop
The ___ is either in a compartment opposite the operator’s cab or under the first side-facing seat opposite the operator’s cab
pg 14
emergency ladder
- This ladder hooks into the anti-climb plate at the front of each rail car.
- The ladder is absolutely needed if evacuating the train through the bulkhead doors.
All Metro train cars are equipped with an ___ that allows emergency responders to open side center doors without a key and with or without train door power.
pg 14
Emergency External Door Release (EEDR)
On the 1000-6000 series, the EEDR operates doors ___ (one leaf on each side)
pg 14
4 and 9
On the 7000 series, the EEDR is located on ___ of the railcars at the center doors 3 and 10.
pg 14
both sides
(This is a change compared to the existing fleet which has EEDRs located at 4 and 9 doors.)
Passenger Self-Evacuation Door Release located in the interior of the railcars at doors ___.
pg 14
3 and 10
The rail car side windows are a combination of ___ on the exterior and ___ on the interior.
pg 15
safety glass & polycarbonate
With the exception of the operator cab windows, the windows on Metro’s rail cars ___.
pg 15
do not open.
The operator’s cab window, which is accessed by the barrel XX key from the inside of the rail car, opens to allow the operator to observe the side of the train while at the platform.
All windows are held in place with a ___ that can be removed from the inside of the passenger compartment.
pg 15
rubber zip strip
- According to Kawasaki, the windows cannot be removed by using the zip-strip installed as a component of the weather-stripping on the interior of the windows.
- The windows are set in a stainless steel frame and the only way to remove the window is to remove the frame.
- The frame is attached to the railcar with numerous screws.
If absolutely necessary, the operator’s compartment and the side door windows can be forcibly removed with the use of a ___.
pg 15
heavy striking tool.
The WMATA passenger rail cars are ___ vehicles.
pg 16
electrically driven
Electricity, ___ is delivered to the rail car by collector shoes located at the center of each truck on both sides (under the front and rear side revenue doors).
pg 16
750V DC
When any one collector shoe is in contact with an energized third rail, ___ collector shoes on that car are energized.
pg 16
all four
The only systems that use ___ above the floor are the heater strips that run along the wall at the floor level on both sides of the car and the air conditioning systems that are located above the ceiling at both ends of the rail cars
pg 16
750 volts
All other systems inside of the cars use ___.
pg 16
37.5 volts
- The 750- volt current does not pass from one rail car to another
- the 37.5-volt system does pass from one car to the next.
All of Metro’s rail cars use ___ to reduce the speed of the cars
pg 16
dynamic braking
This dynamic braking system reverses the polarity in the drive motors, turning them into generators
All rail cars store some excess energy developed by the dynamic braking system in ___; the remainder is sent to the ___.
pg 16
capacitors & resistor grids
The resistor grids can be thermally (800 degrees F) and electrically (up to 700 volts) hot.
All rail cars have two extinguishers each, the fire extinguishers are ___ with a rating of ___.
ABC dry chemical & 4A-60BC
The interior finishes of the rail cars are of non-flammable materials.
All rail cars have two communications systems: ___ and a ___.
pg 16
internal intercoms & Metro radio.
- The intercom system has a microphone-speaker unit at each bulkhead door
- This system allows communication between any car in the consist and the lead car operator’s cab
- Both systems, radio and intercom, operate when the rail car is in contact with the energized third rail or as long as the back-up batteries are charged
___ are located one in the operators cab and the other under the last seat, opposite the operators cab near the rear bulkhead door where the A and B car are coupled.
pg 16
Fire extinguishers
There are three types of stations in the system:
pg 17
- aerial or elevated
- surface or at-grade
- sub- surface or underground
The station type is determined by the platform’s location compared to adjacent road surfaces.
____ have platforms on different levels.
pg 18
Split-level platforms
Two stations have a third track within the platform area. This third track, known as ___ , can be used as revenue, turn around, or yard lead track.
pg 18
a pocket track
The central focal point of every station is ___ .
pg 18
the Kiosk
It houses the station’s communications equipment, elevator, and escalator monitoring panels, station fire maps, fire and intrusion alarm panels, and closed circuit TV monitors
___ is the control point for the station
pg 18
The Kiosk
Some Metro stations will have more than one Kiosk; in these stations, one of the Kiosks will be designated as the main Kiosk.
The Metrorail system has three distinct types of electrical systems:
pg 19
-
Traction power
- The traction power system provides electrical power to propel the rail cars. Traction power is covered in more detail later in this manual.
-
AC power
- The AC power system provides the electrical power to run lighting, ventilation, and any other systems not directly involved in propelling the rail cars.
-
Battery power
- Battery power is found wherever emergency lighting is needed and also for the communications systems for continued operations when normal power is interrupted.
The ___ is provided to the stations at the AC switchboard room(s).
pg 19
AC power
The ___ provides all power to the station and tunnels and charges the back-up batteries.
pg 19
AC switchboard
- Power is supplied to the AC switchboard by dual feeds at either 13,800 volts (PEPCO) or 34,500 volts (Dominion Virginia Power).
- The AC switchboard room access is restricted.
- Fire and rescue personnel must contact Metro for access even in the event of an emergency.
Metro stations are constructed of ___ materials with a fire rating of at least ___ .
pg 19
non-combustible & two hours
The interior finish of all public areas is of Class A materials that will not continue to propagate fire spread
The fire and intrusion alarm panel, located in the Kiosk, monitors the ___.
pg 19
fire protection systems.
In some cases the fire department connection (FDC) has an ID plate that identifies the ___ and the maximum ___ and ___ run of the piping.
pg 20
shaft number & vertical & horizontal
All subsurface station standpipes except Huntington are ___ systems.
pg 21
wet
Surface stations, subsurface RRW and aerial systems are ___ .
pg 21
dry pipe
The hose valves are located at ___ intervals in the tunnels and under the station platforms
pg 21
200-foot
fire equipment cabinets are equipped with two ___ fire extinguishers and one fire department ___.
pg 21
4A:40B:C & standpipe connection
There is at least ___ fire equipment cabinet on each station platform and additional cabinets in various locations within the station.
pg 21
one
___ are found throughout Metro’s facilities.
pg 21
Automatic systems (FM 200)
These automatic systems are used in service areas, escalator pans, computer and electrical rooms, and in maintenance supply rooms.
The ___ systems are used to protect sensitive equipment that would be damaged by ordinary fire suppression methods
pg 21
FM200
The most common applications are AC switchboard rooms, DC tiebreaker and traction power rooms, communications rooms, battery charging rooms, and computer rooms.
___ is mandated to enter rooms that have had a discharge of agent.
pg 21
Respiratory protection
The Metro system is equipped with two types of sprinkler systems:
pg 21
wet pipe and deluge.
The ___ systems are in heated rooms within the stations, ancillary buildings, and service facilities.
pg 21
wet pipe
The ___ are installed in the escalator pans of single entry stations, below the support truss of the escalator, between the surface and the mezzanine.
pg 21
deluge systems
- This system is controlled by ionization type smoke detectors located at the top and bottom of the escalator well ways.
- These escalators have sprinkler heads every fifty feet.
The microphone for the station PA system is in the ___ .
pg 21
Kiosk
The Automatic Public Address Announcement System (APAAS) works within the ___.
pg 21
station fire alarm system
- the APAAS system activates to provide the station manager with a pre-alert of a fire alarm that needs attention.
- The manager has two minutes to react to the alarm.
- During this time, a chime tone activates for 90 seconds.
- A reset attempt occurs for 10 seconds.
- If the reset is successful, the chime stops and the APAAS returns to the inactive status.
- If the reset fails the chimes will continue for another 20 seconds.
- After this timeframe, if the alarm remains active, the station entrance inbound escalators will stop and an announcement of the fire alarm will begin over the station public address system.
There are two distinct conditions for the ventilation systems in the tunnels and underground stations:
pg 22
normal and emergency.
Normal ___ results from train movement in the tunnels and the use of mechanical fans to assist fresh air exchange during operations
pg 22
ventilation
___ during emergency conditions is accomplished mechanically. The fans are either in the supply mode or exhaust mode, depending upon need
pg 22
Ventilation
The primary function of the emergency system is to limit, or exclude passengers and fire and rescue personnel from, exposure to ___.
pg 22
heat and smoke.
The primary method of air exchange in the tunnels is ___ through the tunnels.
pg 23
the movement of trains
As a train moves forward, it forces air ahead of it and draws air in behind it; this is known as ___.
pg 23
the piston effect
As the train approaches the station, vent shafts allow the air to be moved up and out of the system.
This prevents a blast of air from buffeting passengers awaiting the trains and exhausts bad air to the outside.
As a train passes a vent shaft, it draws in fresh air behind it, completing the air exchange cycle.
Vent shafts contain thermostatically controlled ___ and ___ that allow air movement. These work in conjunction with emergency ventilation fans in case of a fire.
pg 22
louvers and fans